G13 is a very strong strain of Indica cannabis, the theme of many urban legends. According to some accounts, the CIA, the FBI and other institutions have collected the best marijuana line from breeders around the world. In a super-secret facility at the University of Mississippi, they introduced many new Super Hybrids in the late 1960s. As it is said, only one cut of this plant was released by an unknown technician and reserved for the masses.